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Directory Traversal Affecting rubygem-psych package, versions <0:2.0.0-36.el7

Severity

 Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
1.03% (85th percentile)

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  • Snyk IDSNYK-CENTOS7-RUBYGEMPSYCH-2136924
  • published26 Jul 2021
  • disclosed15 Feb 2018
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Introduced: 15 Feb 2018

CVE-2018-1000079  (opens in a new tab)
CWE-22  (opens in a new tab)

How to fix?

Upgrade Centos:7 rubygem-psych to version 0:2.0.0-36.el7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rubygem-psych package and not the rubygem-psych package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

RubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series: 2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contains a Directory Traversal vulnerability in gem installation that can result in the gem could write to arbitrary filesystem locations during installation. This attack appear to be exploitable via the victim must install a malicious gem. This vulnerability appears to have been fixed in 2.7.6.